3988521480 has 32 divisors (see below), whose sum is σ = 11965564800. Its totient is φ = 1063605696.

The previous prime is 3988521479. The next prime is 3988521527. The reversal of 3988521480 is 841258893.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16618720 + ... + 16618959.

It is an arithmetic number, because the mean of its divisors is an integer number (373923900).

Almost surely, 2^3988521480 is an apocalyptic number.

3988521480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3988521480 is an abundant number, since it is smaller than the sum of its proper divisors (7977043320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3988521480 is a wasteful number, since it uses less digits than its factorization.

3988521480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33237693 (or 33237689 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 3988521480 is about 63154.7423397483. The cubic root of 3988521480 is about 1585.8811793221.

The spelling of 3988521480 in words is "three billion, nine hundred eighty-eight million, five hundred twenty-one thousand, four hundred eighty".